ADMS 2511 Study Guide - Webcam, Internet2, Synchronous Optical Networking

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7 Apr 2014
Chapter 5: Networks:
1. Discovery: Search & Meta search engines, Portals (commercial, affinity, corporate,
industry). The audience they serve differentiates the portals. A mobile portal can be
accessed by any for the above portals.
2. Communication: Mail, web-based call centers, chat rooms, VOIP (sent over the
internet) and unified communication is where all forms of communication are on one
common hardware and software platform.
3. Collaboration: Workflow, workgroup, virtual group or collaboration tools. Electronic
teleconferencing supports collaboration, specifically videoconference. Ex. Google
docs, Microsoft SharePoint, Jive, IBM Lotus Quickr
Web 2.0 Technologies: a loose collection of information technologies and applications
and the websites that use them.
1. AJAX: Asynchronous Java Script and XML is web development technique that
allows for portions of the web page to reload with fresh data instead of requiring the
entire web page to reload.
2. Tagging: a keyword or term that describes a piece of information (picture, blog or
video clip)
3. Weblog: Personal website or blog
4. Wikis: A website anyone can post material and make changes to other material
5. Really Simple Syndication (RSS): Allow users to receive information they want,
when they want it without surfing all of the internet
6. Podcasts: digital audio file
7. Videocast: digital video file.
Web 2.0 Website Categories:
1. Social Networking
2. Aggregators: provides collections of content from the web (
3. Mashups: a website that takes different content from a bunch of websites, puts them
together to create their own new one.
E-learning and Distance Learning
1. E-learning: learning supported by the web. (Virtual class rooms)
2. Distance learning: teacher and students don’t meet face to face.
a. Benefits: learning time generally shorter, less costs, current content
b. Drawbacks: must be computer literate, lack of face-to-face, assessing work
may be come problematic
3. Virtual Universities
Telecommuting: ability to work from anywhere and at anytime. For employees this
reduces stress and employer increased productivity is received. But the disadvantage is
employees feel isolated, lower pay, slower promotions and for employers difficult
supervising work, training costs and data security problems.
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Chapter 6: Electronic commerce is buying, selling, transferring or exchanging products
via computer networks via the Internet.
Pure versus partial e-commerce:
1. Bricks and mortar organization: Purely physical organizations
2. Virtual pure play organization: Company engaged only in E-commerce
3. Clicks-and-mortar organization: Conducts some e-commerce activities but its primary
business is conducted in the physical world.
Types of E-Commerce:
1. Business to consumer
2. Business to business
3. Consumer to consumer
4. Business to employee
5. Government to consumer
6. Government to business
7. Mobile Commerce
Business Model: method in which a company generates revenue to sustain itself
1. Online direct marketing to consumers
2. Electronic tendering system
3. Name your own price
4. Find the best price, with intermediary companies showing the lowest price
5. Affiliate marketing: vendors place logos on partners sites
6. Viral Marketing: receivers send information about your product
7. Group Purchasing: potential buyers come together to purchase in volume
8. On-line auctions
9. Product customization
10. Electronic marketplaces & exchanges
11. Bartering on-line
12. Deep discounters: appeals to customers who consider only price in their purchasing
13. Membership
Major E-commerce Mechanisms:
1. Auctions
a. Forward auction is an auction that sells goods& services where buyers bid
(Highest bid wins)
b. Reverse auction is an auction where buyers place bids for them (Lowest bid
2. Electronic storefront
3. Electronic Mall
4. Electronic Marketplace
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E-commerce is great for lower costs, accessing large markets and variety of products. It is
limited in the lack of universally accepted security standards, expensive accessibility,
limitation in bandwidth, legal issues, lacks a critical mass of sellers and buyers.
*B2B, B2C, C2C e-commerce.
Electronic Payments: systems for paying for goods and services via electronically.
1. Electronic Checks
2. Electronic credit and debit cards
3. Purchasing cards
4. Electronic Cash
a. Stored-value money cards (YORK U card)
b. Smart Cards (debit cards)
c. Person to person payment (paypal)
d. Digital wallets
Ethical and Legal Issues in E-business:
Ethical Issues could include, privacy concerns if encryption or tracking isn’t
available. EC also eliminates the need for some of a company’s resources especially
brokers and agents.
Legal issues specific to E-commerce:
1. Fraud or scams
2. Domain Names: competition over domain names
3. Taxes and other fees: who should be taxed and not?
4. Copyright
Chapter 7: Wireless Technologies:
1. Transmission Media: Transmits singles over the air or in space
a. Microwave transmission: high volume, long-distance, point-to-point information
i. Advs.: high bandwidth, relatively inexpensive
ii. Disadvantage: must have unobstructed line of sight
b. Satellite Transmission: A wireless transmission system that uses satellites for
broadcast communications
i. Advs.: high bandwidth, large coverage area
ii. Disadv.: expensive, must have unobstructed line of sight, and be encrypted
iii. Types: Geostationary, Medium Earth Orbit, Low Earth Orbit
c. Global Positioning System: determine a persons position on the earth using
satellites. Provided by 24 MEO satellites
d. Internet over satellite:
e. Radio transmission: transmissions that use radio-wave frequencies to send data
i. Adv.: High bandwidth,, signals pass through walls, inexpensive
ii. Disadvantages: electrical interference, snooping is possible if not encrypted
iii. Satellite radio: like radio transmission but from satellites
f. Infrared: wireless transmission that uses red lights not commonly visible to
human eyes
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